1991 Australian Grand Prix

Mansell was unable to take part in the post-race podium ceremony, following a crash at the end of the race that left him requiring hospital treatment.

Because less than seventy-five percent of the scheduled race distance had been completed, only half the normal World Championship points were awarded.

It would also prove to be the final Grand Prix for Satoru Nakajima, Naoki Hattori, Alex Caffi, and Emanuele Pirro.

After being dropped by the Jordan team two races earlier, Roberto Moreno returned to Formula One to take Morbidelli's place at Minardi.

Bertrand Gachot returned to Formula One after completing his jail sentence in Britain, replacing Éric Bernard at Larrousse, who had been injured at the previous race meeting in Japan.

The one-hour pre-qualifying session took place in sunny and dry conditions on Thursday afternoon, instead of Friday morning to expand the race meeting to four days.

Stefano Modena also crashed in qualifying but was unhurt and able to take the race start on Sunday, having already set a time that was sufficient for him to secure a place on the grid.

However, as the race continued into lap 3 Gerhard Berger, unseen by the television cameras, ran wide which allowed Nigel Mansell to move up to second position, but rejoining in third.

On lap six Mansell moved alongside Senna on the Brabham Straight but quickly saw a wave from a marshal, who was leaning out from the barriers, to warn of wreckage ahead.

On lap 14, Mauricio Gugelmin's Leyton House was involved in a heavy crash trying to pass the Tyrrell of Stefano Modena going through turn 15.

This was spotted by James Hunt in the BBC race commentary, although Murray Walker had suggested earlier that it was the undertray that was loose.

By the end of lap 16 the race order actually was Senna in 1st from Piquet, Morbidelli, de Cesaris, Zanardi and Modena.

This incident was similar to the controversy of the 2003 Brazilian Grand Prix, where computers finalising the race concluded the result a lap too early.

[10] The podium ceremony only had Ayrton Senna and Gerhard Berger present because Nigel Mansell was sent to hospital after the injuries he sustained in his crash on lap 16.

When interviewed by Jackie Stewart in the post-race press conference, Senna stated: I don't think that was a race, it was just a matter of staying on the circuit, and there was no point to try to go quick at all.

We had a race, a very bad one, here a couple of years ago and then was impossible [in reference to the 1989 Australian Grand Prix, which was run under identically treacherous wet conditions] and today was even worse!